/*
 * Copyright 2016 Code Above Lab LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.codeabovelab.dm.mail.service;

import com.codeabovelab.dm.mail.dto.MailMessage;

/**
 * Potentially we can send mail through http service, or other some service. Therefore we need some abstraction layer.
 */
public interface MailSenderBackend {
    /**
     * send message. If sending is fail then throw exception. Failing can be caused by invalid
     * message, remote server fault, timeout and etc. Any cause must be pointed as specific exception type.
     * @param message
     */
    void send(MailMessage message) throws MailSenderException;
}
